Oil Temp Sending Unit, Mismatch Options

[Mblizzard]

I searched but could not find the list of compatible gages and sending units.

With my sway I think I have a mismatch. Stock Gauge reads all the way to the “P” in TEMP but my MicroSquirt oil temp mounted in head only goes up to 190 F when the temp is on the P.

Checked case with IR thermometer and got comparatively close numbers to the MicroSquirt reading. CHT never above 320.

As a person the constantly scans the gauges I find this distracting to say the least.

Have Tim’s lights in the gauges so would need to match the sensor.

[McMark]

That temp gauge in the valve cover area seems unreliable to me. I know oil can collect up there, especially at sustained high RPM, but I'm doubtful it's 100% submerged in oil all the time. And that's a terribly inaccurate way to measure oil temp. It'd work for MicroSquirt as an indicator of when the engine is warmed up, but I wouldn't trust those numbers to accurately reflect actual oil temp. The IR thermometer is a similar problem. You're measuring the metal, not the oil. Those aren't the same.

Try warming up the oil with a drive, then pull the dipstick and IR measure the end that was in the oil. It'll probably drop temp quickly, so you'll have to be fast about it. I bet that reading is much higher than in the valve cover.